EP0260451B1 - Installation de freinage à glissement réglé pour véhicules routiers avec traction sur les quatre roues - Google Patents
Installation de freinage à glissement réglé pour véhicules routiers avec traction sur les quatre roues Download PDFInfo
- Publication number
- EP0260451B1 EP0260451B1 EP87111883A EP87111883A EP0260451B1 EP 0260451 B1 EP0260451 B1 EP 0260451B1 EP 87111883 A EP87111883 A EP 87111883A EP 87111883 A EP87111883 A EP 87111883A EP 0260451 B1 EP0260451 B1 EP 0260451B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slip
- lock
- controlled brake
- brake installation
- differential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
- B60T8/322—Systems specially adapted for vehicles driven by more than one axle, e.g. Four Wheel-Drive vehicles
Definitions
- the invention relates to a slip-controlled brake system for road vehicles with all-wheel drive according to the preamble of the main claim.
- a brake system is known (DE-OS 34 18 520).
- an electrical control signal is generated at the beginning of the control in the electronic anti-lock control unit, which actuates a solenoid valve via an electrical relay, which electro-pneumatically releases the locking action of the differential.
- the above-mentioned slip-controlled brake system with the characterizing features of the main claim has the advantage that an automatic re-engagement of the differential locks is possible even while driving without damage to the transmission or drive train. Furthermore, it is advantageous that this switching reliability can be achieved with simple means.
- a vehicle has a common drive by an internal combustion engine for its two axles.
- the vehicle is therefore a so-called four-wheel drive vehicle.
- Each axle 1 is connected to the internal combustion engine via a differential 2, and a lock 3 is provided on each differential 2, which has a piston 3 'which can be actuated by compressed air, a reservoir 5 and a solenoid valve 4 for switching the differential lock on and off.
- the differential lock essentially consists of parts 3 and 4.
- the axis 1 has two wheels 8 and 9, the rotational behavior of which is sensed by a sensor 6 and 7, respectively.
- the sensors 6 and 7 are connected to a central electronic anti-lock control device 10 which is connected to an anti-lock control valve 11 to which two brake cylinders 12 and 13, one for each wheel 8 and 9, are connected.
- the electronic anti-lock control device 10 has a connection 14 to a relay 15, which can be connected to a power source 17 via a switch 16 and can control the solenoid valve 4 via a line 18.
- connection 14 is also connected to a relay 19, which in turn maintains a connection to an accelerator monitoring switch 21 via the line 20.
- this monitoring switch is closed and then establishes a connection to ground.
- the differential lock 3, 4 is usually not switched on. When the vehicle is at a standstill, the differential lock 3, 4 can be switched on by the driver to close the differential 2 by closing the switch 16.
- the solenoid valve 4 receives current via the normally closed holding relay 15 and the line 18. The solenoid valve 4 switches over and lets compressed air from the reservoir 5 get in front of the piston 3 'of the differential lock 3, 4. Such a driver-dependent connection of the differential lock 3, 4 is only possible when the vehicle is stationary.
- control unit 10 When driving, in the event of an anti-lock control starting, the control unit 10 connects the earth to the connection 14 and thus the current flow of the voltage applied to the solenoid valve 4 by the switch 16 through the relay 15 is interrupted. So that the locking effect of the differential lock 3, 4 is canceled. A normally running anti-lock control system is now possible via the pressure control valve 11.
- the relay 19 is also connected via the connection 14. If the driver now actuates the accelerator pedal before the anti-lock control system has been completed, a ground is led to the connection 14 through the closed contact 21 via the line 20 and via the connected relay 19.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Regulating Braking Force (AREA)
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87111883T ATE59343T1 (de) | 1986-09-13 | 1987-08-17 | Schlupfgeregelte bremsanlage fuer strassenfahrzeuge mit allradantrieb. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863631280 DE3631280A1 (de) | 1986-09-13 | 1986-09-13 | Schlupfgeregelte bremsanlage fuer strassenfahrzeuge mit allradantrieb |
DE3631280 | 1986-09-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0260451A2 EP0260451A2 (fr) | 1988-03-23 |
EP0260451A3 EP0260451A3 (en) | 1988-05-25 |
EP0260451B1 true EP0260451B1 (fr) | 1990-12-27 |
Family
ID=6309576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87111883A Expired - Lifetime EP0260451B1 (fr) | 1986-09-13 | 1987-08-17 | Installation de freinage à glissement réglé pour véhicules routiers avec traction sur les quatre roues |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0260451B1 (fr) |
AT (1) | ATE59343T1 (fr) |
DE (2) | DE3631280A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000344077A (ja) | 1999-06-08 | 2000-12-12 | Toyota Motor Corp | 車両の挙動制御装置 |
JP3960740B2 (ja) | 2000-07-31 | 2007-08-15 | トヨタ自動車株式会社 | 車両の制動制御装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59154427U (ja) * | 1983-04-01 | 1984-10-17 | 日産自動車株式会社 | 4輪駆動車 |
DE3342574A1 (de) * | 1983-11-25 | 1985-06-05 | Robert Bosch Gmbh, 7000 Stuttgart | Fahrzeug mit einer einkoppelbaren sperre fuer die angetriebenen raeder |
DE3418520A1 (de) * | 1984-05-18 | 1985-11-21 | Teves Gmbh Alfred | Schlupfgeregelte bremsanlage fuer strassenfahrzeuge mit allrad-antrieb |
DE3430982A1 (de) * | 1984-08-23 | 1986-03-06 | Alfred Teves Gmbh, 6000 Frankfurt | Anordnung zur regelung des antriebsschlupfes |
-
1986
- 1986-09-13 DE DE19863631280 patent/DE3631280A1/de not_active Ceased
-
1987
- 1987-08-17 AT AT87111883T patent/ATE59343T1/de not_active IP Right Cessation
- 1987-08-17 EP EP87111883A patent/EP0260451B1/fr not_active Expired - Lifetime
- 1987-08-17 DE DE8787111883T patent/DE3767095D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3631280A1 (de) | 1988-03-24 |
EP0260451A2 (fr) | 1988-03-23 |
EP0260451A3 (en) | 1988-05-25 |
DE3767095D1 (de) | 1991-02-07 |
ATE59343T1 (de) | 1991-01-15 |
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